third_party_mesa3d/SConstruct
José Fonseca b115662607 scons: Disable saving options automatically.
It makes things too random, as settings for temporary trials get stored
permannently, and it make difficult to build several platforms from the
same tree.

So disable it, again.
2011-07-01 19:04:57 +01:00

162 lines
3.5 KiB
Python

#######################################################################
# Top-level SConstruct
#
# For example, invoke scons as
#
# scons build=debug llvm=yes machine=x86
#
# to set configuration variables. Or you can write those options to a file
# named config.py:
#
# # config.py
# build='debug'
# llvm=True
# machine='x86'
#
# Invoke
#
# scons -h
#
# to get the full list of options. See scons manpage for more info.
#
import os
import os.path
import sys
import SCons.Util
import common
#######################################################################
# Configuration options
opts = Variables('config.py')
common.AddOptions(opts)
env = Environment(
options = opts,
tools = ['gallium'],
toolpath = ['#scons'],
ENV = os.environ,
)
# XXX: This creates a many problems as it saves...
#opts.Save('config.py', env)
# Backwards compatability with old target configuration variable
try:
targets = ARGUMENTS['targets']
except KeyError:
pass
else:
targets = targets.split(',')
print 'scons: warning: targets option is deprecated; pass the targets on their own such as'
print
print ' scons %s' % ' '.join(targets)
print
COMMAND_LINE_TARGETS.append(targets)
Help(opts.GenerateHelpText(env))
# fail early for a common error on windows
if env['gles']:
try:
import libxml2
except ImportError:
raise SCons.Errors.UserError, "GLES requires libxml2-python to build"
#######################################################################
# Environment setup
# Includes
env.Prepend(CPPPATH = [
'#/include',
])
env.Append(CPPPATH = [
'#/src/gallium/include',
'#/src/gallium/auxiliary',
'#/src/gallium/drivers',
'#/src/gallium/winsys',
])
if env['msvc']:
env.Append(CPPPATH = ['#include/c99'])
# for debugging
#print env.Dump()
#######################################################################
# Invoke host SConscripts
#
# For things that are meant to be run on the native host build machine, instead
# of the target machine.
#
# Create host environent
if env['crosscompile'] and not env['embedded']:
host_env = Environment(
options = opts,
# no tool used
tools = [],
toolpath = ['#scons'],
ENV = os.environ,
)
# Override options
host_env['platform'] = common.host_platform
host_env['machine'] = common.host_machine
host_env['toolchain'] = 'default'
host_env['llvm'] = False
host_env.Tool('gallium')
host_env['hostonly'] = True
assert host_env['crosscompile'] == False
if host_env['msvc']:
host_env.Append(CPPPATH = ['#include/c99'])
target_env = env
env = host_env
Export('env')
SConscript(
'src/SConscript',
variant_dir = host_env['build_dir'],
duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
)
env = target_env
Export('env')
#######################################################################
# Invoke SConscripts
# TODO: Build several variants at the same time?
# http://www.scons.org/wiki/SimultaneousVariantBuilds
SConscript(
'src/SConscript',
variant_dir = env['build_dir'],
duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
)
########################################################################
# List all aliases
try:
from SCons.Node.Alias import default_ans
except ImportError:
pass
else:
aliases = default_ans.keys()
aliases.sort()
env.Help('\n')
env.Help('Recognized targets:\n')
for alias in aliases:
env.Help(' %s\n' % alias)